From ac7a559d96edd52f650fe01fcc847fbf77f21f64 Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Sat, 24 Aug 2019 22:39:12 +0200
Subject: [PATCH] Ext2FS: Avoid a String allocation in lookup()

By using find() with a custom finder, we can avoid creating a temporary
key value that's only used for the hash lookup.
---
 Kernel/FileSystem/Ext2FileSystem.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Kernel/FileSystem/Ext2FileSystem.cpp b/Kernel/FileSystem/Ext2FileSystem.cpp
index 842e11dc15..20b1d307ff 100644
--- a/Kernel/FileSystem/Ext2FileSystem.cpp
+++ b/Kernel/FileSystem/Ext2FileSystem.cpp
@@ -1263,7 +1263,7 @@ InodeIdentifier Ext2FSInode::lookup(StringView name)
     ASSERT(is_directory());
     populate_lookup_cache();
     LOCKER(m_lock);
-    auto it = m_lookup_cache.find(name);
+    auto it = m_lookup_cache.find(name.hash(), [&](auto& entry) { return entry.key == name; });
     if (it != m_lookup_cache.end())
         return { fsid(), (*it).value };
     return {};